Model Compatibility: Fits ZXR400 motorcycles manufactured from 1988 to 1996, including models designated as 4F3 and F3.
Part Type: Replacement piston ring kit designed for 2-piece compression ring configuration with standard 57mm diameter specification.
Application Scope: Intended for use in the motorcycle engine's piston assembly to restore factory-specified sealing function.
Year Range Coverage: Compatible with units produced across model years spanning 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, and 1996.
Design Specification: Matches the standard 57mm bore size and piston ring dimensions required by the ZXR400 400 engine configuration.
Description
Bore x stroke: 57x39mm Compatible with: ZXR400 (1989–1996) 4F3 (1988) Features: Piston head temperature resistance up to 300°C. Two-layer ductile iron construction. Piston rings treated with nitriding for wear resistance and sealing. Oil ring combination meets Class A functional specifications. Scrapers located at the and bottom of the oil ring. Plated treatment for hardness, wear resistance, and temperature resistance. This is a 2-piece standard-size 57mm piston ring kit designed as a replacement for the.